package:udev:232-17ubuntu1 Setting up udev (232-17ubuntu1) ... addgroup: The group `input' already exists as a system group. Exiting. Job for systemd-udevd.service failed because a timeout was exceeded. See "systemctl status systemd-udevd.service" and "journalctl -xe" for details. invoke-rc.d: initscript udev, action "restart" failed. ● systemd-udevd.service - udev Kernel Device Manager Loaded: loaded (/lib/systemd/system/systemd-udevd.service; static; vendor preset: enabled) Active: activating (start) since Fri 2017-02-17 15:55:37 GMT; 335ms ago Docs: man:systemd-udevd.service(8) man:udev(7) Main PID: 5562 (systemd-udevd) Tasks: 1 Memory: 52.0K CPU: 36ms CGroup: /system.slice/systemd-udevd.service └─5562 /lib/systemd/systemd-udevd Feb 17 15:55:37 john-VirtualBox-U1704 systemd[1]: systemd-udevd.service: Failed with result 'timeout'. Feb 17 15:55:37 john-VirtualBox-U1704 systemd[1]: systemd-udevd.service: Service has no hold-off time, scheduling restart. Feb 17 15:55:37 john-VirtualBox-U1704 systemd[1]: Stopped udev Kernel Device Manager. Feb 17 15:55:37 john-VirtualBox-U1704 systemd[1]: Starting udev Kernel Device Manager... dpkg: error processing package udev (--configure): subprocess installed post-installation script returned error exit status 1